A
large NW portion of Tetterode's North-End work area was administratively
seperated from the Collective in the early 1980s and given to external
organisers of a Kindergarten school for local children.

It's
enclosed yard/playground has a public entry from Dacostakade 148(?) just
north of
Merkelbach; it can also be accessed through a door at the N end of Merkelbach's
L0 passage.